Adjustable airfoil

Apparatus for changing the mast of a sailboard

Apparatus for connecting a sailing mast to a sailing board

Apparatus for foiling bird landings

Apparatus for separating joined members and method therefore

Apparatus for supporting the mast of a sailing board

Arrangement for dampening sound-vibrations in elongate hollow me

Articulate mast footing arrangement, in particular for wind surf

Automatic latching swinging mast mount

Balancing system for a sailing boat

Boat mast muffler

Boat stay fastening

Boat with a swinging mast

Camlock windsurfing mast foot

Carbon fiber spar and method of making

Carbon fiber spar and method of making

Collapsible mast assembly

Columnar structure

Competition or cruiser sailboat with implanted mast

Composite sail mast with high bending strength